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Halff has an immediate opening for a Mechanical Engineer with an active Texas Engineer-in-Training (EIT) or Professional Engineer (PE) license to join our growing Mechanical Engineering team in McAllen, Texas. To learn more about Halff's MEP Engineering services, check out some of our projects, and/or meet our team Half's MEP and ICT Engineering Services: Cybersecurity.

Halff

Mechanical Engineer (EIT or PE), MEP

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With $8.1 billion in revenue for 2025, Clayco specializes in the ''art and science of building,'' providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Working alongside a Senior Mechanical Engineer on each project, this mid-level role is responsible for producing detailed mechanical designs, performing analyses, and coordinating with multi-disciplinary teams to deliver infrastructure that meets demanding uptime and efficiency requirements in a fast-paced environment.

Clayco Inc

Mechanical Engineer

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As a Mechanical Engineer Intern at our cement plant, you will gain valuable, hands-on experience in cement production and work closely with our team of experienced engineers and professionals. Work Environment: You will be working in a plant manufacturing and production environment, which includes exposure to moving mechanical equipment, airborne particles, and various weather conditions.

Amrize Ltd

Mechanical Engineer Intern (Summer 2027)

Capital Professionals is pleased to be representing a leader in the aggregate service industry, specializing in the design and erection of new aggregate material handling systems in their search for Mechanical Engineer to assist in both new design and expansion of existing systems. Mechanical Engineer Skills and Qualifications: Requirements Analysis, Design Skills, Presenting Technical Information, Equipment Maintenance, Conceptual Skills, Quality Focus, General Consulting Skills, 3D Modeling experience.

Capital Professional Staffing

Mechanical Engineer / Detailer / Draftsman

Design a variety of HVAC systems, including chilled and heating water systems, VRF/VRV, DX cooling, electric and gas heat, CV/VAV, DOAS, packaged systems, and other point-of-use HVAC systems. Chilled and heating water hydronic systems, VRF/VRV, DX cooling, electric and gas heat, CV/VAV, DOAS, packaged and built-up modular systems, and low- and medium-pressure duct systems.

Wheeler Staffing Partners' (WSP) has outstanding client relationships providing consultants with access to some of the most desirable employment opportunities across the nation. Our experience, the solutions we provide, our business processes, and partnerships with our consultants and clients has made the company one of the most sought after placement firms for job seekers and companies of all sizes. WSP, provides all candidates with career opportunities, skill assessments, and interview consulting services and our clients with the candidates that meet their culture and skill set. From our Executive Retained Search Teams, Direct Hire and Contract Staffing Professionals to our RPO Service offerings, we create models to deliver a world-class service, with a sense of urgency and professionalism at the best price. Let us put our expertise and services to work for you!

Wheeler Staffing Partners

Sr. Mechanical Engineer

HaleyMarketing

Review consultant, EPC and vendor designs for compliance with project requirements, design intent, applicable codes and good engineering practice. systems, air-cooled and water-cooled plant, CRAH units, fan walls, CDUs, pumps, heat.

Senior Mechanical Engineer – Mission Critical / Data Centers

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Desired Major(s) & Graduation Year • Mechanical Engineering • Graduation year 2027-2028 Eligibility • Must be a currently enrolled student • Available to work 40 hours a week, M-F (8a-5p) beginning in January through June. In this exciting role, the Mechanical Engineer will be responsible for assisting in developing new, high purity, solid precursor delivery system for advanced node chemistries for the semiconductor industry.

For 50 years, Entegris has been a provider of critical products and materials used in advanced high-technology manufacturing. These products and materials are often used to make the building blocks of many of the world's most complex microelectronic products, such as computers, mobile devices and phones, data storage components, televisions and monitors, and automobiles

Entegris Inc

Mechanical Engineer Co-Op

Bachelor's or Master's degree in Materials Science, Electrical Engineering, Chemical Engineering, Physics, or a related technical field. Develop, optimize, and maintain sputtering, evaporation, CVD, and RTA processes for metal and dielectric films.

LightWorks Optical Systems

Senior Metals Process Engineer

Hardware Background with background in Failure Analysis with a primary goal to be able to diagnose returned, field-failed, or prototype CPE devices to determine how and why they failed (component burn-out, solder joint cracking, thermal stress, ESD damage, or software/firmware crash). Handle initial technical inquiries and FAQs; manage the end-to-end trouble ticket lifecycle including creation, tracking, and following established escalation processes.

WNC Corp

Customer Engineer / Senior Customer Engineer

Hardware Background with background in Failure Analysis with a primary goal to be able to diagnose returned, field-failed, or prototype CPE devices to determine how and why they failed (component burn-out, solder joint cracking, thermal stress, ESD damage, or software/firmware crash). Strong background in Quality Assurance for both Hardware and Software Software Background would include understanding how to test and validation CPE (Customer Premise Equipment) including Fiber, DOCSIS and WLAN connected devices.

Wistron NeWeb Corporation

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Skyways is hiring a Senior Mechanical Engineer to own major aircraft subsystems from early concept through design, prototype build, ground testing, flight testing, and iteration. Our V2 aircraft carries 30 lbs up to 500 miles, and V3 has a maximum range of well over 1,000 miles, a maximum useful load of 100 lbs, and a maximum endurance of nearly 20 hours.

Skyways Air Transportation Inc

Senior Mechanical Engineer

Learn about Halff and our 75th Anniversary What you will do: Responsible for planning and preparing engineered contract documentation for assigned projects, working with or as a mechanical Project Manager to meet deadlines, aiding in or providing engineering decisions, and collaborating with other engineers, architects, and/or owners. Senior Mechanical Engineer Halff has an immediate opening for a Senior Mechanical Engineer, with their Texas PE License, to join our growing MEP Engineering team based out of one of our Texas offices (The Woodlands, Houston).

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From tool hookups and utility systems to subfab design, cleanroom modifications, and equipment integration, our work directly impacts the production of next-generation chips used in AI, data centers, autonomous vehicles, consumer electronics, and advanced computing. Own end-to-end mechanical design of semiconductor tool installations, from utility matrices and point-of-use (POU) connections (PCW, exhaust, specialty gases, chemical drains) to specialized systems for contamination-controlled environments.

YEAR

SSOE, Inc.

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Responsible for planning and preparing engineered contract documentation for assigned projects, working with or as a mechanical project manager to meet deadlines, aiding in or providing engineering decisions, and collaborating with other engineers, and/or owners. To learn more about Halff's MEP Engineering services, check out some of our projects, and/or meet our team Half's MEP and ICT Engineering Services: Cybersecurity.

Senior Mechanical Engineer (PE)

Manage mechanical and systems technical scope for supply of new packaged rotating equipment for onshore and offshore projects including gas turbine-generators, gas turbine-compressors, electric motor-driven compressor trains, and extended plant scope (coolers, scrubbers, anti-surge valves, etc.). These include world-class licensed process technologies, differentiated advisory services, deep technical domain expertise, energy transition solutions, high-end design capabilities, and smart solutions to optimize planned and operating assets.

When you become part of the When you become part of the KBR team, your opportunities are endless. As a leading global technology, engineering, procurement and construction company serving the hydrocarbons and government services industries. For decades it has been the company that customers turn to for their most challenging assignments.
 
With operations in 40 countries, KBR has more than 25,000 people delivering services to customers in over 70 countries. Together they represent an unmatched reservoir of talent and experience in a wide range of markets.
 
Whatever the assignment, no matter how complex or demanding, KBR can marshal resources across every product line to respond quickly and effectively to changing markets and customer needs.
 
Whether it's providing the technology and consulting know-how to develop our customers' valuable assets; designing and constructing the infrastructure and facilities to develop energy resources in some of the world's more remote and challenging locations; providing support and services for men and women of their countries' armed forces; or navigating the intricacies of undertaking major projects in geopolitically or culturally sensitive environments, our clients depend on KBR because they know that We Deliver.
 
Join us and you'll be part of a dynamic, elite team of professionals who understand what it takes to get a job done and has the experience, knowledge and determination to succeed.”

Mechanical Engineer - Rotating Equipment - Senior Technical Advisor

These include world-class licensed process technologies, differentiated advisory services, deep technical domain expertise, energy transition solutions, high-end design capabilities, and smart solutions to optimize planned and operating assets. KBR is seeking a Principal Mechanical Engineer - Pressure Vessels who will be responsible for the design, specification and application of pressure vessel equipment for onshore and offshore projects, such as Towers, Reactors, and Drums, along with Heat Exchangers.

KBR Inc

Principal Mechanical Engineer - Pressure Vessel

We at Epiroc accelerate this transformation, together with customers and business partners in more than 150 countries, by developing and providing innovative and safe equipment, digital solutions, and aftermarket support. With ground-breaking technology, we develop and provide innovative and safe equipment, such as drill rigs, rock excavation and construction equipment and tools for surface and underground applications.

Epiroc AB

PSD Mechanical Engineer I

As a leader in industry AI adoption, we empower our team to work smarter by providing responsible access to the industry leading AI Large Language Models, vibe-coding platforms, and securely integrating advanced tools into every role. Overview: SSOE is seeking a dynamic and knowledgeable Mechanical Engineer for our Automotive & Manufacturing Facilities Group , who develops innovative projects in a transformational and growth sector.

Senior Mechanical Engineer - Piping & HVAC Design

Evaluate mechanical system designs, including chilled water systems, air-cooled and water-cooled chillers, pumps, cooling towers, CRAH/CRAC units, heat exchangers, economizers, valves, piping, filtration, humidification, water treatment systems, and supporting infrastructure. The role partners with site operations, design and construction, commissioning, controls/BMS, vendors, OEMs, finance, and enterprise reliability leadership to translate design decisions and construction outcomes into safe, maintainable, and reliable operations.

Galaxy Digital

Senior Mechanical Engineer (Data Centers)

This role will be both technical and client-facing, responsible for ensuring high-quality engineering deliverables, managing communications with stakeholders, and driving process improvements within the engineering function. Lead a team of electrical and HVAC engineers in producing and updating General (G Sheets) , HVAC (M Sheets) , and Electrical (E Sheets) for Issued for Approval, As-Built, and Closeout Submittal drawing sets.

Stress Engineer Jobs in Texas

Mechanical Engineer (EIT or PE), MEP Halff

Mechanical Engineer Clayco Inc

Mechanical Engineer Intern (Summer 2027) Amrize Ltd

Mechanical Engineer / Detailer / Draftsman Capital Professional Staffing

Sr. Mechanical Engineer Wheeler Staffing Partners

Senior Mechanical Engineer – Mission Critical / Data Centers GDA

Mechanical Engineer Co-Op Entegris Inc

Senior Metals Process Engineer LightWorks Optical Systems

Customer Engineer / Senior Customer Engineer WNC Corp

Customer Engineer / Senior Customer Engineer Wistron NeWeb Corporation

Senior Mechanical Engineer Skyways Air Transportation Inc

Senior Mechanical Engineer Halff

Senior Mechanical Engineer SSOE, Inc.

Senior Mechanical Engineer (PE) Halff

Mechanical Engineer - Rotating Equipment - Senior Technical Advisor KBR

Principal Mechanical Engineer - Pressure Vessel KBR Inc

PSD Mechanical Engineer I Epiroc AB

Senior Mechanical Engineer - Piping & HVAC Design SSOE, Inc.

Senior Mechanical Engineer (Data Centers) Galaxy Digital

Lead Mechanical Engineer The GOR Group

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